12158484446475 has 36 divisors (see below), whose sum is σ = 22923364835800. Its totient is φ = 6143234244480.

The previous prime is 12158484446473. The next prime is 12158484446509. The reversal of 12158484446475 is 57464448485121.

12158484446475 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 84 + 8 + 44 + 46 + 475 = 666.

It is not a de Polignac number, because 12158484446475 - 2¹ = 12158484446473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12158484446473) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1422040690 + ... + 1422049239.

Almost surely, 2^{12158484446475} is an apocalyptic number.

12158484446475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12158484446475 is a deficient number, since it is larger than the sum of its proper divisors (10764880389325).

12158484446475 is a wasteful number, since it uses less digits than its factorization.

12158484446475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844089964 (or 2844089956 counting only the distinct ones).

The product of its digits is 137625600, while the sum is 63.

The spelling of 12158484446475 in words is "twelve trillion, one hundred fifty-eight billion, four hundred eighty-four million, four hundred forty-six thousand, four hundred seventy-five".